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I've had a 'classic' Silca floor pump since the mid-1980s. The original rubber seal for the presta side finally failed, June of 2017. I was hesitant to but the expensive, newly designed repair part, but with little other choice, if i were to keep using the pump, made the purchase. Nothing else on the pump has failed, even with mouse bites on the hose over the years. A screw has come loose, but nothing a real problem over more than 30 years = yeah! I've inserted the new seat and used it a few time, and wear has already started to show. The inner most diameter is quite small, making insertion hard, even with twisting to engage the screw threads on the valve. So, I've resorted to forcing the fitting over the valve, by just pressing, no twisting. Seems to work, but the damage is apparent. Maybe the ID will enlarge enough to make twisting on the head possible in the future, but that does not seem possible at present - as too much air leaks out of a filled tire while trying to thread on the presta side of the head. With the original fitting, I always twisted on to the valve, in part because of the reduced wear and better engagement at higher pressures. I can pump up to 100 psi, a bit more, without issues, for road bike tires, with the new fitting. Time will tell, in a few weeks, as I pump at least a tire very other day.Read full review
Verified purchase: Yes | Condition: New
A lot of money for such a small piece, but where else is one going to find it.
Verified purchase: Yes | Condition: New
Exactly as described and works like it should.
Verified purchase: Yes | Condition: New
Great seal/bushing/grommet. Does the job in my 30 year old dual headed Silca pump
Verified purchase: Yes | Condition: New
This part arrived in a timely manner. It was exactly what I needed to repair my twenty-year-old silca pump
Verified purchase: Yes | Condition: New
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